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US Patent: 3,872
Machinery for Cutting Screws in the Posts and On the Rails of Bedsteads
Patentees:
William F. Converse - Harrison, OH
Richard H. Penny - Harrison, OH
Richard S. Hannaford - Harrison, OH

USPTO Classifications:
408/21, 408/37, 48/102R

Tool Categories:
woodworking machines : specialty machines : wood threading machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
John Ashley
William L. Thompson

Patent Dates:
Granted: Dec. 31, 1844

Patent Pictures:
USPTO pdf tiff
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